code: def test_featurecollection(self):
      p1 = geojson.Feature(geometry=geojson.Point((-115.11, 37.11)))
      p2 = geojson.Feature(geometry=geojson.Point((-115.22, 37.22)))
      itr = coords(geojson.FeatureCollection([p1, p2]))
      pairs = list(itr)
      self.assertEqual(pairs[0], (-115.11, 37.11))
      self.assertEqual(pairs[1], (-115.22, 37.22))
  
file_path: geojson/tests/test_coords.py
imports: import unittest
  import geojson
  from geojson.utils import coords, map_coords
label_desc: Use image node_id 6 for calling the CoordsTestCase obj's underlying member method code with example usage: obj.test_featurecollection() without return types